- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 21/02 - Machines, plants or systems, using electric or magnetic effects using Nernst-Ettinghausen effect
Patent holdings for IPC class F25B 21/02
Total number of patents in this class: 1526
10-year publication summary
|
131
|
129
|
174
|
181
|
145
|
180
|
118
|
112
|
99
|
42
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
117 |
| Whirlpool Corporation | 4238 |
43 |
| GENTHERM Incorporated | 277 |
30 |
| Carrier Corporation | 4759 |
22 |
| Ember Technologies, Inc. | 125 |
22 |
| Hyundai Motor Company | 19021 |
20 |
| B/E Aerospace, Inc. | 1493 |
20 |
| Ambassador Asset Management Limited Partnership | 20 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
18 |
| Sheetak, Inc. | 45 |
18 |
| Phononic, Inc. | 59 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
16 |
| II-VI Delaware, Inc. | 1720 |
12 |
| Kelk Ltd. | 147 |
12 |
| Frore Systems Inc. | 75 |
12 |
| Haier Smart Home Co., Ltd. | 4882 |
11 |
| BSH Bosch und Siemens Hausgerate GmbH | 3236 |
10 |
| GENTHERM GmbH | 249 |
10 |
| TEGway Co., Ltd. | 40 |
10 |
| The Boeing Company | 19843 |
9 |
| Other owners | 1077 |